Keystones — Cornerstone
Five GCSE retrieval questions · 6 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 68 + 41
Answer: 68 + 41 = 109 -
2. Algebra
Solve: 7x = 42
Answer: x = 6 -
3. Geometry
Find the hypotenuse of a right triangle with sides 8cm and 15cm
Answer: 17cm -
4. Ratio
Calculate 10% of 130
Answer: 13 -
5. Statistics
Find the range of: 7, 30, 24, 26, 28
Answer: 23